I’m new to owning a airboat, my tachometer doesn’t work , my ? Is how important is it , do I need to get a new 1 before I ride anymore , I don’t haul tail every where I just go fast enough to get up and stay on plane, nothing crazy I always have my wife and 3 kids with me , I do plan on gettin 1 just not sure what kind I need and where to get it from yet still studying on it any advice or help is appreciated